When effects are active we never need the "classic" TabBoxView.
Nevertheless it was always created when KWin started up. By
delaying the creation some ressources should be saved if the user
only uses effects.
REVIEW: 101897
This change also includes some visual updates which fixes the black corners issue for non composited tabbox (no idea why), the hughe black border in the prview is still visible (also no idea why).
svn path=/trunk/KDE/kdebase/workspace/; revision=1070114
* Models and Delegates for Clients and Desktops
* Horizontal, vertical and tabular layout
* Layout of one item can be configured by an XML definition
* A desktop item can include a client list
* An optional second list view showing only the selected item
* A new KCM "kwintabbox"
* An alternative TabBox with independent settings and keybindings
* Optional Highlight Windows effect integration
* List scrolls instead of removing items
* Scroll wheel support
* Cursor key support
* Middle click on item closes window
BUG: 195745
BUG: 197187
BUG: 201103
FEATURE: 118184
FEATURE: 156723
FEATURE: 177441
FEATURE: 182897
FEATURE: 193882
GUI:
svn path=/trunk/KDE/kdebase/workspace/; revision=1022861
